//汉字和Unicode的对应关系
public class unicode {
    public static void main(String[] args) {
        char a[] = {'老', '师', '你', '好'};
        for (int i = 0; i < a.length; i++) {
            char b = a[i];
            int c = (int) b;
            System.out.println(b + ": " + c);
        }
    }
}